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What are plant cells like? how do you recognize a plant in all distinct from other all types
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Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?
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What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
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Biology, 22.06.2019 13:00
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
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What are plant cells like? how do you recognize a plant in all distinct from other all types...
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